Super Thin battery case ,unique design for iPhone4 Super Thin battery case ,unique design for iPhone41,Input:5V-1A Output:5V-500mA ... 2,Capacity:1500mAh(Li-Pol) 3,Product Compatibility: iPhone4 4 ... 10 hours on 2G Internet Use: Up to 4.5 hours on 3G/Up to 7 hours ... skin,Black/White7,Charging cable included For iPhone4 battery case